@article{AM2_1980__21_182437,
     author = {Konrad J. Heuvers},
     title = {Functional equations which caracterize n-forms and homogeneous functions of degree n. {(Short} {Communication).}},
     journal = {Aequationes mathematicae},
     pages = {319--322},
     publisher = {mathdoc},
     volume = {21},
     year = {1980},
     zbl = {0479.39004},
     url = {http://geodesic.mathdoc.fr/item/AM2_1980__21_182437/}
}